#include "psb_drv.h"
#include "psb_intel_reg.h"
#include "psb_intel_drv.h"
-#include "psb_ttm_userobj_api.h"
#include "psb_fb.h"
-#include "psb_sgx.h"
-#include "psb_pvr_glue.h"
static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
struct psb_framebuffer *psbfb = vma->vm_private_data;
struct drm_device *dev = psbfb->base.dev;
struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_gtt *pg = dev_priv->pg;
- unsigned long phys_addr = (unsigned long)pg->stolen_base;;
+ unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
char *fb_screen_base = NULL;
struct drm_device *dev = psbfb->base.dev;
struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_gtt *pg = dev_priv->pg;
if (vma->vm_pgoff != 0)
return -EINVAL;
fb_screen_base = (char *)info->screen_base;
DRM_DEBUG("vm_pgoff 0x%lx, screen base %p vram_addr %p\n",
- vma->vm_pgoff, fb_screen_base, pg->vram_addr);
+ vma->vm_pgoff, fb_screen_base,
+ dev_priv->vram_addr);
- /*if using stolen memory, */
- if (fb_screen_base == pg->vram_addr) {
+ /* FIXME: ultimately this needs to become 'if entirely stolen memory' */
+ if (1 || fb_screen_base == dev_priv->vram_addr) {
vma->vm_ops = &psbfb_vm_ops;
vma->vm_private_data = (void *)psbfb;
vma->vm_flags |= VM_RESERVED | VM_IO |
VM_MIXEDMAP | VM_DONTEXPAND;
} else {
- /*using IMG meminfo, can I use pvrmmap to map it?*/
-
+ /* GTT memory backed by kernel/user pages, needs a different
+ approach ? - GEM ? */
}
return 0;
}
+static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct psb_framebuffer *psbfb = fbdev->pfb;
+ struct drm_device *dev = psbfb->base.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 __user *p = (u32 __user *)arg;
+ u32 l;
+ u32 buf[32];
+ switch (cmd) {
+ case 0x12345678:
+ if (!capable(CAP_SYS_RAWIO))
+ return -EPERM;
+ if (get_user(l, p))
+ return -EFAULT;
+ if (l > 32)
+ return -EMSGSIZE;
+ if (copy_from_user(buf, p + 1, l * sizeof(u32)))
+ return -EFAULT;
+ psbfb_2d_submit(dev_priv, buf, l);
+ return 0;
+ default:
+ return -ENOTTY;
+ }
+}
static struct fb_ops psbfb_ops = {
.owner = THIS_MODULE,
.fb_imageblit = psbfb_imageblit,
.fb_mmap = psbfb_mmap,
.fb_sync = psbfb_sync,
+ .fb_ioctl = psbfb_ioctl,
};
static struct drm_framebuffer *psb_framebuffer_create
(struct drm_device *dev, struct drm_mode_fb_cmd *r,
- void *mm_private)
+ struct gtt_range *gt)
{
struct psb_framebuffer *fb;
int ret;
drm_helper_mode_fill_fb_struct(&fb->base, r);
- fb->bo = mm_private;
+ fb->gtt = gt;
return &fb->base;
return NULL;
}
-static struct drm_framebuffer *psb_user_framebuffer_create
- (struct drm_device *dev, struct drm_file *filp,
- struct drm_mode_fb_cmd *r)
-{
- struct ttm_buffer_object *bo = NULL;
- uint64_t size;
-
- bo = ttm_buffer_object_lookup(psb_fpriv(filp)->tfile, r->handle);
- if (!bo)
- return NULL;
-
- /* JB: TODO not drop, make smarter */
- size = ((uint64_t) bo->num_pages) << PAGE_SHIFT;
- if (size < r->width * r->height * 4)
- return NULL;
-
- /* JB: TODO not drop, refcount buffer */
- return psb_framebuffer_create(dev, r, bo);
-
-#if 0
- struct psb_framebuffer *psbfb;
- struct drm_framebuffer *fb;
- struct fb_info *info;
- void *psKernelMemInfo = NULL;
- void * hKernelMemInfo = (void *)r->handle;
- struct drm_psb_private *dev_priv
- = (struct drm_psb_private *)dev->dev_private;
- struct psb_fbdev *fbdev = dev_priv->fbdev;
- struct psb_gtt *pg = dev_priv->pg;
- int ret;
- uint32_t offset;
- uint64_t size;
-
- ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo);
- if (ret) {
- DRM_ERROR("Cannot get meminfo for handle 0x%x\n",
- (u32)hKernelMemInfo);
- return NULL;
- }
-
- DRM_DEBUG("Got Kernel MemInfo for handle %lx\n",
- (u32)hKernelMemInfo);
-
- /* JB: TODO not drop, make smarter */
- size = psKernelMemInfo->ui32AllocSize;
- if (size < r->height * r->pitch)
+/**
+ * psbfb_alloc - allocate frame buffer memory
+ * @dev: the DRM device
+ * @aligned_size: space needed
+ *
+ * Allocate the frame buffer. In the usual case we get a GTT range that
+ * is stolen memory backed and life is simple. If there isn't sufficient
+ * stolen memory or the system has no stolen memory we allocate a range
+ * and back it with a GEM object.
+ *
+ * In this case the GEM object has no handle.
+ */
+static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
+{
+ struct gtt_range *backing;
+ /* Begin by trying to use stolen memory backing */
+ backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
+ if (backing)
+ return backing;
+ /* Next try using GEM host memory */
+ backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0);
+ if (backing == NULL)
return NULL;
- /* JB: TODO not drop, refcount buffer */
- /* return psb_framebuffer_create(dev, r, bo); */
-
- fb = psb_framebuffer_create(dev, r, (void *)psKernelMemInfo);
- if (!fb) {
- DRM_ERROR("failed to allocate fb.\n");
+ /* Now back it with an object */
+ if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) {
+ psb_gtt_free_range(dev, backing);
return NULL;
}
-
- psbfb = to_psb_fb(fb);
- psbfb->size = size;
- psbfb->hKernelMemInfo = hKernelMemInfo;
-
- DRM_DEBUG("Mapping to gtt..., KernelMemInfo %p\n", psKernelMemInfo);
-
- /*if not VRAM, map it into tt aperture*/
- if (psKernelMemInfo->pvLinAddrKM != pg->vram_addr) {
- ret = psb_gtt_map_meminfo(dev, hKernelMemInfo, &offset);
- if (ret) {
- DRM_ERROR("map meminfo for 0x%x failed\n",
- (u32)hKernelMemInfo);
- return NULL;
- }
- psbfb->offset = (offset << PAGE_SHIFT);
- } else {
- psbfb->offset = 0;
- }
- info = framebuffer_alloc(0, &dev->pdev->dev);
- if (!info)
- return NULL;
-
- strcpy(info->fix.id, "psbfb");
-
- info->flags = FBINFO_DEFAULT;
- info->fix.accel = FB_ACCEL_I830; /*FIXMEAC*/
- info->fbops = &psbfb_ops;
-
- info->fix.smem_start = dev->mode_config.fb_base;
- info->fix.smem_len = size;
-
- info->screen_base = psKernelMemInfo->pvLinAddrKM;
- info->screen_size = size;
-
- drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
- drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
- fb->width, fb->height);
-
- info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
- info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
-
- info->pixmap.size = 64 * 1024;
- info->pixmap.buf_align = 8;
- info->pixmap.access_align = 32;
- info->pixmap.flags = FB_PIXMAP_SYSTEM;
- info->pixmap.scan_align = 1;
-
- psbfb->fbdev = info;
- fbdev->pfb = psbfb;
-
- fbdev->psb_fb_helper.fb = fb;
- fbdev->psb_fb_helper.fbdev = info;
- MRSTLFBHandleChangeFB(dev, psbfb);
-
- return fb;
-#endif
+ return backing;
}
-
+
+/**
+ * psbfb_create - create a framebuffer
+ * @fbdev: the framebuffer device
+ * @sizes: specification of the layout
+ *
+ * Create a framebuffer to the specifications provided
+ */
static int psbfb_create(struct psb_fbdev *fbdev,
struct drm_fb_helper_surface_size *sizes)
{
struct drm_device *dev = fbdev->psb_fb_helper.dev;
struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_gtt *pg = dev_priv->pg;
struct fb_info *info;
struct drm_framebuffer *fb;
struct psb_framebuffer *psbfb;
struct drm_mode_fb_cmd mode_cmd;
struct device *device = &dev->pdev->dev;
-
- struct ttm_buffer_object *fbo = NULL;
int size, aligned_size;
int ret;
+ struct gtt_range *backing;
mode_cmd.width = sizes->surface_width;
mode_cmd.height = sizes->surface_height;
size = mode_cmd.pitch * mode_cmd.height;
aligned_size = ALIGN(size, PAGE_SIZE);
+ /* Allocate the framebuffer in the GTT with stolen page backing */
+ backing = psbfb_alloc(dev, aligned_size);
+ if (backing == NULL)
+ return -ENOMEM;
+
mutex_lock(&dev->struct_mutex);
- fb = psb_framebuffer_create(dev, &mode_cmd, fbo);
+ fb = psb_framebuffer_create(dev, &mode_cmd, backing);
if (!fb) {
DRM_ERROR("failed to allocate fb.\n");
ret = -ENOMEM;
goto out_err1;
}
psbfb = to_psb_fb(fb);
- psbfb->size = size;
info = framebuffer_alloc(sizeof(struct psb_fbdev), device);
if (!info) {
info->fbops = &psbfb_ops;
info->fix.smem_start = dev->mode_config.fb_base;
info->fix.smem_len = size;
- info->screen_base = (char *)pg->vram_addr;
+
+ /* Accessed via stolen memory directly, This only works for stolem
+ memory however. Need to address this once we start using gtt
+ pages we allocate */
+ info->screen_base = (char *)dev_priv->vram_addr + backing->offset;
info->screen_size = size;
memset(info->screen_base, 0, size);
+ if (dev_priv->pg->stolen_size) {
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto out_err0;
+ }
+ info->apertures->ranges[0].base = dev->mode_config.fb_base;
+ info->apertures->ranges[0].size = dev_priv->pg->stolen_size;
+ }
+
drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
sizes->fb_width, sizes->fb_height);
fb->funcs->destroy(fb);
out_err1:
mutex_unlock(&dev->struct_mutex);
+ psb_gtt_free_range(dev, backing);
return ret;
}
+/**
+ * psb_user_framebuffer_create - create framebuffer
+ * @dev: our DRM device
+ * @filp: client file
+ * @cmd: mode request
+ *
+ * Create a new framebuffer backed by a userspace GEM object
+ */
+static struct drm_framebuffer *psb_user_framebuffer_create
+ (struct drm_device *dev, struct drm_file *filp,
+ struct drm_mode_fb_cmd *cmd)
+{
+ struct gtt_range *r;
+ struct drm_gem_object *obj;
+ struct psb_framebuffer *psbfb;
+
+ /* Find the GEM object and thus the gtt range object that is
+ to back this space */
+ obj = drm_gem_object_lookup(dev, filp, cmd->handle);
+ if (obj == NULL)
+ return ERR_PTR(-ENOENT);
+
+ /* Allocate a framebuffer */
+ psbfb = kzalloc(sizeof(*psbfb), GFP_KERNEL);
+ if (psbfb == NULL) {
+ drm_gem_object_unreference_unlocked(obj);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ /* Let the core code do all the work */
+ r = container_of(obj, struct gtt_range, gem);
+ if (psb_framebuffer_create(dev, cmd, r) == NULL) {
+ drm_gem_object_unreference_unlocked(obj);
+ kfree(psbfb);
+ return ERR_PTR(-EINVAL);
+ }
+ /* Return the drm_framebuffer contained within the psb fbdev which
+ has been initialized by the framebuffer creation */
+ return &psbfb->base;
+}
+
static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno)
{
if (fbdev->psb_fb_helper.fbdev) {
info = fbdev->psb_fb_helper.fbdev;
+ /* FIXME: this is a bit more inside knowledge than I'd like
+ but I don't see how to make a fake GEM object of the
+ stolen space nicely */
+ if (psbfb->gtt->stolen)
+ psb_gtt_free_range(dev, psbfb->gtt);
+ else
+ drm_gem_object_unreference(&psbfb->gtt->gem);
unregister_framebuffer(info);
iounmap(info->screen_base);
framebuffer_release(info);
}
drm_fb_helper_fini(&fbdev->psb_fb_helper);
-
drm_framebuffer_cleanup(&psbfb->base);
-
return 0;
}
dev_priv->fbdev = NULL;
}
-
static void psbfb_output_poll_changed(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
return 0;
info = psbfb->fbdev;
- psbfb->pvrBO = NULL;
if (info)
framebuffer_release(info);
}
/*EXPORT_SYMBOL(psbfb_remove); */
+/**
+ * psb_user_framebuffer_create_handle - add hamdle to a framebuffer
+ * @fb: framebuffer
+ * @file_priv: our DRM file
+ * @handle: returned handle
+ *
+ * Our framebuffer object is a GTT range which also contains a GEM
+ * object. We need to turn it into a handle for userspace. GEM will do
+ * the work for us
+ */
static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned int *handle)
{
- /* JB: TODO currently we can't go from a bo to a handle with ttm */
- (void) file_priv;
- *handle = 0;
- return 0;
+ struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct gtt_range *r = psbfb->gtt;
+ if (r->stolen)
+ return -EOPNOTSUPP;
+ return drm_gem_handle_create(file_priv, &r->gem, handle);
}
+/**
+ * psb_user_framebuffer_destroy - destruct user created fb
+ * @fb: framebuffer
+ *
+ * User framebuffers are backed by GEM objects so all we have to do is
+ * clean up a bit and drop the reference, GEM will handle the fallout
+ */
static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct drm_device *dev = fb->dev;
struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct gtt_range *r = psbfb->gtt;
- /*ummap gtt pages*/
- psb_gtt_unmap_meminfo(dev, psbfb->hKernelMemInfo);
if (psbfb->fbdev)
psbfb_remove(dev, fb);
- /* JB: TODO not drop, refcount buffer */
+ /* Let DRM do its clean up */
drm_framebuffer_cleanup(fb);
+ /* We are no longer using the resource in GEM */
+ drm_gem_object_unreference_unlocked(&r->gem);
+
kfree(fb);
}
psb_create_backlight_property(dev);
- psb_intel_lvds_init(dev, &dev_priv->mode_dev);
- /* psb_intel_sdvo_init(dev, SDVOB); */
+ if (IS_MRST(dev)) {
+ if (dev_priv->iLVDS_enable)
+ mrst_lvds_init(dev, &dev_priv->mode_dev);
+ else
+ DRM_ERROR("DSI is not supported\n");
+ } else {
+ psb_intel_lvds_init(dev, &dev_priv->mode_dev);
+ psb_intel_sdvo_init(dev, SDVOB);
+ }
list_for_each_entry(connector, &dev->mode_config.connector_list,
head) {
break;
case INTEL_OUTPUT_LVDS:
PSB_DEBUG_ENTRY("LVDS.\n");
- crtc_mask = (1 << 1);
+ if (IS_MRST(dev))
+ crtc_mask = (1 << 0);
+ else
+ crtc_mask = (1 << 1);
clone_mask = (1 << INTEL_OUTPUT_LVDS);
break;
case INTEL_OUTPUT_MIPI:
}
}
-static void *psb_bo_from_handle(struct drm_device *dev,
- struct drm_file *file_priv,
- unsigned int handle)
-{
- void *psKernelMemInfo = NULL;
- void * hKernelMemInfo = (void *)handle;
- int ret;
-
- ret = psb_get_meminfo_by_handle(hKernelMemInfo, &psKernelMemInfo);
- if (ret) {
- DRM_ERROR("Cannot get meminfo for handle 0x%x\n",
- (u32)hKernelMemInfo);
- return NULL;
- }
-
- return (void *)psKernelMemInfo;
-}
-
-static size_t psb_bo_size(struct drm_device *dev, void *bof)
-{
-#if 0
- void *psKernelMemInfo = (void *)bof;
- return (size_t)psKernelMemInfo->ui32AllocSize;
-#else
- return 0;
-#endif
-}
-
-static size_t psb_bo_offset(struct drm_device *dev, void *bof)
-{
- struct psb_framebuffer *psbfb
- = (struct psb_framebuffer *)bof;
-
- return (size_t)psbfb->offset;
-}
-
-static int psb_bo_pin_for_scanout(struct drm_device *dev, void *bo)
-{
- return 0;
-}
-
-static int psb_bo_unpin_for_scanout(struct drm_device *dev, void *bo)
-{
- return 0;
-}
-
void psb_modeset_init(struct drm_device *dev)
{
struct drm_psb_private *dev_priv =
int i;
PSB_DEBUG_ENTRY("\n");
- /* Init mm functions */
- mode_dev->bo_from_handle = psb_bo_from_handle;
- mode_dev->bo_size = psb_bo_size;
- mode_dev->bo_offset = psb_bo_offset;
- mode_dev->bo_pin_for_scanout = psb_bo_pin_for_scanout;
- mode_dev->bo_unpin_for_scanout = psb_bo_unpin_for_scanout;
drm_mode_config_init(dev);
git.openpandora.org / pandora-kernel.git / blobdiff